I have worked in this factory __________ I came here in 2001.
A. from B. for C. since
—How do you like China?
—Great changes _______ since I _______ here 8 years ago.
A. have taken place; came B. took place; have come C. took place; came
—Joan has never been to Beijing. What about Jack?—_______
A. So has he. B. Neither has he. C. Neither he has.
I don’t like bread. I won’t eat it______ I am very hungry.
A. unless B. when C. because
—Hello! Can I speak to Chris? —Sorry, he isn’t in. He _______ Japan on business.
A. has been to B. has gone C. has gone to